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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.6 Nov.27, 2019

AX6639/A



PIN ASSIGNMENT

The packages of AX6639/A are SOT223-3L, SOP-8L-EP, TO252-3L, TO263-2L, TO263-5L; the

pin assignment is given by:

VIN GND VOUT

Tab is GND

( Top View )

3

2

1

Tab is VOUT

AX6639

AX6639A

( Top View )

3

2

1

VIN

GND VOUT

SOT223-3L

3

2

1

VIN

VOUT

GND

Tab is GND

TOP VIEW

AX6639

3

2

1

VIN

VOUT

GND

Tab is VOUT

TOP VIEW

AX6639A

TO263-2L

3

2

1

VIN

VOUT

GND

Tab is VOUT

( Top View )

AX6639A

3

2

1

VIN

VOUT

GND

Tab is GND

( Top View )

AX6639

TO252-3L

AX6639

TO263-5L

( Top View )

3 GND

1 EN

2 VIN

5 FB

4 VOUT

Metal

Tab

GND

( Top View )

1

2

3

4

8

7

6

5

NC

VIN

SOP–8L–EP

NC

EN

GND

FB

NC

VOUT

AX6639

(GND)

Name

Description

VIN

Voltage input

GND

Ground

VOUT

Output Voltage

EN

Enable pin input

FB

Feedback pin

NC

No connect pin